From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomi Valkeinen Subject: Re: [BISECTED] OMAP: DSS: clk rate mismatch Date: Tue, 28 Jan 2014 11:04:35 +0200 Message-ID: <52E772A3.4090401@ti.com> References: <52E697C0.6000202@gmail.com> <1390848104.4936.62.camel@mars> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="dDHe9PUjef0koNQfeq5jCibkk6UbhUul4" Return-path: In-Reply-To: <1390848104.4936.62.camel@mars> Sender: linux-kernel-owner@vger.kernel.org To: Christoph Fritz Cc: Ivaylo Dimitrov , "linux-omap@vger.kernel.org" , linux-kernel@vger.kernel.org, pali.rohar@gmail.com, pavel@ucw.cz, Tero Kristo , Nishanth Menon List-Id: linux-omap@vger.kernel.org --dDHe9PUjef0koNQfeq5jCibkk6UbhUul4 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 2014-01-27 20:41, Christoph Fritz wrote: > On Mon, 2014-01-27 at 19:30 +0200, Ivaylo Dimitrov wrote: >> linux-next-20140124 DSS is broken on N900 - display stays black (ther= e=20 >> is some noise though). I booted the kernel with qemu and it gives the = >> following warning: >> >> [ 0.623779] DSS: set fck to 172800000 >> [ 0.624237] ------------[ cut here ]------------ >> [ 0.624298] WARNING: CPU: 0 PID: 1 at=20 >> drivers/video/omap2/dss/dss.c:497 dss_set_fck_rate+0x68/0x8c() >> [ 0.624359] clk rate mismatch: 288000000 !=3D 172800000 >=20 > Here are also clock regressions since next-20140122 regarding > dss_set_fck_rate() and sys_clkout2 occuring in my current patchset for = a > dm37xx100 board. Please see here: I presume you get a similar warning on your board? What rates does it report? Tomi --dDHe9PUjef0koNQfeq5jCibkk6UbhUul4 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJS53KjAAoJEPo9qoy8lh71nrUP/Aozq4UI3WJfP6KEppXq0lBS MB67vtGweAA9DpxF/G9dlex0hU5ORuuBYSczlRfjSNABp5Zj06yaq2Hx8Xkejsn0 4tqPXQPGeRsj+h7IoWMH+RjqFtJ8xkFW62xlTC5eghQxBBBzgydIXomikCp57Sd8 UnWcrTQSFUbsUo/dOT8BvjmFMD2ZuLV6fvIh5D5uzzQO88EV2LpFs6DTPp247F1x /Jp3uA5AeFGY5m+6y4rbf+HcdcDFKInRoG+YA7k4Ck/Vgf33N8Mo4NDRRoXED4nh a3SQIHS2MFpiDqsJNdK4x5d9JY9YzAZmPzHi8QfE0OmyCQht24zIN6lyXzJDTcRo ErKWbSg69K579tweBugEV7MQZaoQopY7T96FkGOUyK6AYDE+oWjtXewedGVOTCnS t55IzAwdzWiY8LgF7n5sGf1rLqID4SYc+wawO0/79+eO7LZERbELD+xZJ8pYR2iQ 7kbev9+6ETqcaVCUQA0v2zhOCuw/kFHZiWMxuHwu4G8fHLJgbBindSKvEt25E1E4 js74iEPTXc6tfxR4wRJEDXj4Y4ZcSga2Eh3IUSolp7ZAvAqpsz738PLcTTH3qzU/ gUQAqCid9SgPiUrkjDI8MUZC1Um/MtK8DCz+lzfqEanV9GZPVdurnuupc9BVm02n 8+yEO1VBEJW+OZ1so4YC =y9vf -----END PGP SIGNATURE----- --dDHe9PUjef0koNQfeq5jCibkk6UbhUul4--